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Extract from the Register of European Patents

EP About this file: EP3854062

EP3854062 - TRANSPARENT SESSION MIGRATION BETWEEN USER PLANE FUNCTIONS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.11.2025
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  06.12.2024
FormerGrant of patent is intended
Status updated on  07.10.2024
FormerRequest for examination was made
Status updated on  10.08.2024
FormerGrant of patent is intended
Status updated on  10.04.2024
FormerRequest for examination was made
Status updated on  25.06.2021
FormerThe international publication has been made
Status updated on  09.05.2020
Most recent event   Tooltip14.11.2025No opposition filed within time limitpublished on 17.12.2025  [2025/51]
Applicant(s)For all designated states
T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, WA 98006-1350 / US
[2025/02]
Former [2021/30]For all designated states
T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, WA 98006-1350 / US
Inventor(s)01 / ALBASHEIR, Suliman
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
02 / ANTSEV, Boris
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
03 / JOUL, Christopher H.
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
04 / PAL, Rahul
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
05 / THANNEERU, Suresh
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
06 / SILVA, Karunakalage Viraj Rakitha
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
07 / MENDOZA, Salvador
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
08 / PATEL, Rushabhkumar
c/o T-Mobile USA, Inc.
12920 SE 38th Street
Bellevue, Washington 98006-1350 / US
 [2021/30]
Representative(s)Suddaby, Mark Edward
Novagraaf UK
1st Floor
77 Gracechurch Street
London EC3V 0AS / GB
[2025/02]
Former [2021/30]Hanna Moore + Curley
Garryard House
25-26 Earlsfort Terrace
Dublin 2, D02 PX51 / IE
Application number, filing date19879126.114.10.2019
[2021/30]
WO2019US56092
Priority number, dateUS201862752172P29.10.2018         Original published format: US 201862752172 P
US20191636394725.03.2019         Original published format: US201916363947
[2021/30]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020091983
Date:07.05.2020
Language:EN
[2020/19]
Type: A1 Application with search report 
No.:EP3854062
Date:28.07.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 07.05.2020 takes the place of the publication of the European patent application.
[2021/30]
Type: B1 Patent specification 
No.:EP3854062
Date:08.01.2025
Language:EN
[2025/02]
Search report(s)International search report - published on:KR07.05.2020
(Supplementary) European search report - dispatched on:EP02.06.2022
ClassificationIPC:H04W28/08, H04W76/22
[2022/27]
CPC:
H04W76/22 (EP); H04W40/34 (US); H04W28/0247 (US);
H04W76/00 (EP,US); H04L45/026 (EP); H04W28/082 (EP);
H04W76/12 (EP) (-)
Former IPC [2021/30]H04L29/08, H04L12/741, H04L12/26
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2021/30]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:TRANSPARENTE SITZUNGSMIGRATION ZWISCHEN BENUTZEREBENENFUNKTIONEN[2021/30]
English:TRANSPARENT SESSION MIGRATION BETWEEN USER PLANE FUNCTIONS[2021/30]
French:MIGRATION DE SESSION TRANSPARENTE ENTRE DES FONCTIONS DE PLAN UTILISATEUR[2021/30]
Entry into regional phase20.04.2021National basic fee paid 
20.04.2021Search fee paid 
20.04.2021Designation fee(s) paid 
20.04.2021Examination fee paid 
Examination procedure20.04.2021Examination requested  [2021/30]
05.12.2022Amendment by applicant (claims and/or description)
11.04.2024Communication of intention to grant the patent
08.08.2024Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
08.10.2024Communication of intention to grant the patent
03.12.2024Fee for grant paid
03.12.2024Fee for publishing/printing paid
03.12.2024Receipt of the translation of the claim(s)
Divisional application(s)EP24201950.3  / EP4465755
Opposition(s)09.10.2025No opposition filed within time limit [2025/51]
Fees paidRenewal fee
26.10.2021Renewal fee patent year 03
21.10.2022Renewal fee patent year 04
19.10.2023Renewal fee patent year 05
22.10.2024Renewal fee patent year 06
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCZ08.01.2025
ES08.01.2025
HR08.01.2025
PL08.01.2025
SK08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
[2025/49]
Former [2025/48]CZ08.01.2025
ES08.01.2025
HR08.01.2025
PL08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
Former [2025/46]ES08.01.2025
HR08.01.2025
PL08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
Former [2025/35]ES08.01.2025
HR08.01.2025
PL08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
Former [2025/34]ES08.01.2025
HR08.01.2025
PL08.01.2025
NO08.04.2025
RS08.04.2025
IS08.05.2025
Former [2025/33]ES08.01.2025
PL08.01.2025
RS08.04.2025
Documents cited:Search[I] US2018270782  (PARK JUNGSHIN et al.) [I] 1-15 * figures 1-3, 5, 17-19 * * paragraphs [0055] - [0083] - [0 96] - [0111] - [0115] *
 [X]   HUAWEI ET AL: "Resource management of UPF shared by multiple SMFs", vol. SA WG2, no. Sanya, China; 20180416 - 20180420, 10 April 2018 (2018-04-10), XP051437776, Retrieved from the Internet [retrieved on 20180410] [X] 1-15 * the whole document *
International search[X] US2018270782  (PARK JUNGSHIN et al.) [X] 1-20
 [A] WO2018175034  (QUALCOMM INC et al.) [A] 1-20
 [A] WO2018006017  (IDAC HOLDINGS INC et al.) [A] 1-20
 [A] WO2018171859  (MOTOROLA MOBILITY LLC et al.) [A] 1-20
 [A] KR20180106400  (SAMSUNG ELECTRONICS CO LTD et al.) [A] 1-20
by applicantUS2018270782
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.